CN214993213U

CN214993213U - Platform wall

Info

Publication number: CN214993213U
Application number: CN202120587212.XU
Authority: CN
Inventors: 康磊; 李国栋; 王爽; 王国剑; 孙浩然; 张旭; 范大鹏; 张云飞; 胡晓博; 陈月修; 袁宝; 李丽婷
Original assignee: China Railway Construction Engineering Group Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-12-03
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to a platform wall, which comprises a bottom plate; the axillary part is intersected with the bottom plate; an upper wall body arranged on the haunching position; the upper end of the upper wall body (3) transversely extends to form a cornice (5), and a barrier strip (8) is arranged on the end part of the cornice (5). The utility model discloses can prevent that the mortar from exposing from cornice tip to the situation that the mortar fracture drops can not appear, be favorable to driving safety.

Description

Platform wall

Technical Field

The utility model relates to a construction method of platform wall still relates to the platform wall that uses this method to manufacture.

Background

The mortar adhesive linkage can be exposed to traditional platform surface course shop pastes the back platform wall eave that finishes, generally all adopts the mode that the side hung net plastered to cornice the side eave of platform wall to plaster and handle, can decorate like this temporarily and beautify, and along with the erosion of time variation and rainwater, traditional processing method can produce a large amount of plasters and drop and the phenomenon of discolouing, both influences pleasing to the eye effect, also causes the risk to driving safety.

Chinese utility model patent publication CN210049652U discloses cast-in-place prestressed bare concrete elevated station ripple pane outer wall structure and elevated station, specifically relates to a structural outer wall structural design method that elevated station adopts whole cast-in-place prestressed bare concrete to carry out ripple pane molding and decoration. The outer wall structure is formed outside the elevated station by adopting cast-in-place fair-faced concrete, so that the decoration requirement is met; the outer wall structure is horizontally distributed in a corrugated shape for modeling, so that the landscape requirement is met; the outer wall structure is provided with the oval hole-opening panes with gradually changed sequences, so that the decoration effect and the transparent lighting requirement are met. Mortar on the cornice is easily exposed from the cornice end face and is easy to crack and fall off, and driving safety is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a platform wall, it can prevent that the mortar from exposing from cornicing tip to the situation that the mortar fracture drops can not appear, is favorable to driving safety.

Aiming at the utility model, the platform wall comprises a bottom plate; the axillary part is intersected with the bottom plate; an upper wall body arranged on the haunching position; the upper end of the upper wall body transversely extends to form a cornice, and a barrier strip is arranged on the upper end of the cornice. The barrier strip can prevent the mortar from being easily exposed from the end part of the cornice when the mortar is fully paved on the cornice.

As the utility model discloses the further improvement of platform wall is equipped with the PVC pipe of transversely wearing to establish on the upper portion wall body, as the outlet. The drainage is convenient.

As a further improvement of the platform wall, a guide wall is arranged between the haunch and the upper wall body. When the guide wall is used for installing the template, the accuracy of template installation can be improved.

As the utility model discloses the further improvement of platform wall is equipped with the expansion joint along bottom plate length direction. The expansion joint avoids the bottom plate to crack.

As the further improvement of the platform wall, the cornice and the upper part wall body are paved with the cap stone. The hat stone is a stone material, generally adopts 2 kinds of Tianshan safflower granite and maple leaf safflower granite, and has hard texture, luster and good wear resistance.

As the utility model discloses the further improvement of platform wall, wherein, be equipped with the mortar layer between cap stone and the cornice, the blend stop is connected to mortar layer one end, and the cap stone on the tip of cornice, its terminal surface flush with blend stop terminal surface and cornice terminal surface.

The mortar is surrounded by the barrier strips, the cornices and the hat stones, and is not easy to expose from the end parts of the cornices.

To the utility model relates to an improve platform wall's of template installation accuracy construction method specifically includes following step:

s1: dividing a platform wall concrete structure into three sections, wherein the first section is divided into a bottom plate; the second section is divided into axilla; the third section is divided into an upper wall body;

s2: firstly, constructing a bottom plate;

s3: constructing the haunch;

s4: and finally, performing upper wall construction.

The whole concrete structure is divided into three-section construction, so that the installation accuracy of the template can be effectively controlled through the section construction, and the haunching part can be stably installed on the upper part of the bottom plate.

As a further improvement of the construction method of the platform wall of the present invention, in step S4, when the upper wall is erected, the PVC pipe is pre-embedded and transversely penetrated, and after the upper wall is poured, the drainage hole is formed. When the drainage holes are used for pouring, water can be introduced for cooling, the hydration heat of concrete is reduced, cracks are reduced, and water can be drained when the drainage holes are used.

As a further improvement of the construction method of the platform wall, in step S2, the bottom plate steel reinforcement framework is bound first, the steel form is supported again, the pre-buried asphalt wood wool board sets up the expansion joint, the asphalt wood wool board welds the dog with the intersection of the steel form, and there are two dogs on asphalt wood wool board one end, are located asphalt wood wool board tip both sides respectively. The asphalt wood wool board is too small in exposed size, so that the whole attractive effect is improved, the two check blocks can clamp the asphalt wood wool board, the position and the width of the expansion joint are located, and the exposed size of the expansion joint can be increased.

As the utility model discloses the further improvement of construction method of platform wall, the one side of keeping away from the expansion joint at the dog is made putty and radius angle, can avoid here external corner integrality to suffer destruction when can be so that the platform wall exposes the expansion joint equal width, rounding off, the form removal.

As the utility model discloses the construction method of platform wall further improves, after bottom plate and the whole form removal of haunching department, the upper portion wall body of being under construction again, and the part template after removing is used for the formwork of upper portion wall body. The platform wall template uses the steel mould with the material, uses the steel mould to have following advantage: the turnover frequency is multiple, the concrete finished surface is good in smoothness and glossiness, uniform and attractive in structural size, simple to mount and dismount and beneficial to promoting the standardized implementation of the whole road; and the templates are reasonably turned over, and the spreading and the marketing are reduced.

As the utility model discloses the further improvement of construction method of platform wall, in step S3, the steel reinforcement framework of ligature haunched department, formwork, the pouring of haunched department carries out, when pouring haunched department, still pours the guide wall on haunched department as a whole. The wall body template can be positioned and installed on the guide wall reserved in the haunching position, and the installation precision can be more accurate.

As a further improvement of the construction method of the platform wall of the utility model, in step S4, the framework of steel reinforcement of ligature upper portion wall, formwork, the template is hugged closely to the guide wall both sides, when formwork, installs the cornice template of upper portion wall simultaneously, when pouring, cornice and upper portion wall pour as a whole, when pouring cornice, the concrete blend stop is poured in one piece on the tip of cornice. Fundamentally has stopped the way of platform wall cornice side plastering, has stopped the side plastering fracture, has come off, has ensured driving safety.

As the utility model discloses the construction method of platform wall further improves, and when the formwork, the split bolt passes the template of leading the wall both sides, compresses tightly the template of leading the wall both sides, and the upside of cornice template upside and rather than relative upper portion wall body template also is equipped with the split bolt subassembly to taut template upper end. Prevent that the template upper end is not hard up, be favorable to safe pouring, be favorable to reducing the potential safety hazard.

As the utility model discloses the further improvement of construction method of platform wall, after platform wall concrete structure finishes, the cap stone of mating formation on cornice and upper portion wall, the one deck mortar layer of full pavement earlier, again with the cap stone of mating formation on the mortar layer, the cap stone on the tip of cornice, its terminal surface flushes with blend stop terminal surface and cornice terminal surface, shelters from the mortar layer with the blend stop. The barrier strip prevents mortar from leaking from the end of the cornice, not only affecting the beauty, but also being easy to crack and fall off, and affecting the driving safety.

The utility model discloses can prevent that the mortar from exposing from cornice tip to the situation that cornice tip mortar fracture drops can not appear, is favorable to driving safety.

Drawings

Fig. 1 is a schematic view of a platform wall structure.

Fig. 2 is an enlarged schematic view of the cornice position.

Fig. 3 is a schematic view of the upper wall structure.

FIG. 4 is an enlarged view of the position of the stop.

FIG. 5 is a partially enlarged schematic view of the position of the expansion joint

FIG. 6 is a schematic view of a first and second segment casting configuration.

Fig. 7 is a schematic view of a third segment of a casting structure.

Fig. 8 is a schematic structural view of embodiment 3.

Reference numerals: 1. a base plate; 2. adding axilla; 3. an upper wall body; 4. a guide wall; 5. cornice; 6. oppositely pulling the bolts; 7. a stopper; 8. blocking strips; 9. a cap stone; 10. a mortar layer; 11. an elastic cushion strip; 12. waterproof coiled materials; 13. rubber spiral ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-7, firstly binding a steel reinforcement framework of a bottom plate 1, then erecting a formwork to pour the bottom plate 1, wherein the width of the bottom plate 1 is 1700mm, the height of the bottom plate is 350mm, when pouring is carried out along the length direction of the bottom plate 1, an expansion joint is preset, the width of the expansion joint is 20mm, pre-embedded asphalt wood fiber boards are adopted, a stop dog 7 is welded at the intersection of the asphalt wood fiber boards and the steel mold, the two stop dogs 7 at one end of the asphalt wood fiber boards are distributed on two sides of the end part of the asphalt wood fiber boards close to the steel mold, and one side of the stop dog 7 far away from the expansion joint is puttying and is chamfered. The stopper 7 is 20mm wide.

The asphalt wood wool board is too small in exposed size, so that the whole attractive effect is improved, the two check blocks 7 can clamp the asphalt wood wool board, the position and the width of the expansion joint are located, and the exposed size of the expansion joint can be increased.

After the bottom plate 1 is solidified and formed and has certain strength, a reinforcing steel bar framework at the haunching position is bound and the formwork is supported after a person supports the formwork, pouring of the haunching position 2 is carried out, and when the haunching position 2 is poured, a section of guide wall 3 is integrally poured on the haunching position 2. The wall body template can be positioned and installed on the guide wall reserved in the haunching position, and the installation precision can be more accurate.

After the bottom plate 1 and the haunching position 2 reach the strength of the corresponding detachable template, the template of the bottom plate 1 and the haunching position 2 is detached, and the steel die is used, so that the turnover is facilitated, the consumption of the template is reduced, and the turnover template can be used for pouring the upper wall body 4.

The steel reinforcement framework for binding the upper wall body 4, a formwork and the two sides of the guide wall 3 can be tightly attached to the formwork, when the formwork is supported, the cornice 5 formwork of the upper wall body 4 is installed at the same time, when pouring is carried out, the cornice 5 and the upper wall body 4 are poured into a whole, when pouring the cornice 5, the concrete barrier strips 8 are integrally poured on the top of the cornice 5, and the height of the barrier strips 8 is 3 centimeters. The split bolts 6 penetrate through the templates on the two sides of the guide wall 3 to tightly press the templates on the two sides of the guide wall 3, and split bolt assemblies are also arranged on the upper side of the cornice template and the upper side of the upper wall template opposite to the cornice template and used for tensioning the upper ends of the templates. When the cornice 5 is poured, the formwork of the cornice 5 is 5 cm higher than the cornice. The stop strip 8 fundamentally prevents the side plastering of the cornice 5 of the platform wall from cracking and falling off, and ensures the driving safety. The split bolt assembly prevents the upper end of the template from loosening, is favorable for safe pouring, and is favorable for reducing potential safety hazards. The shelves strip 8 is integrally cast, and the wholeness is good, difficult fracture, and is safer.

After the platform wall concrete structure is finished, the cap stone 9 is paved on the cornice 5 and the upper wall body, a layer of mortar needs to be paved on the surface of the cornice and the upper wall body, the cap stone 9 is paved on the mortar layer 10, the end face of the cap stone 9 on the end part of the cornice 5 is flush with the end face of the stop strip 8 and the end face of the cornice 5, and the mortar layer 10 is shielded by the stop strip 8.

The stop strip 8 prevents mortar from leaking from the side surface of the cornice 5, and the mortar is easy to crack and fall off when leaking, thereby easily influencing the driving safety.

Example 2

As shown in fig. 1, the gu' an east station has four eight lines, 2 and 3 stations have a width of 12.5m, and two sides are concrete station walls; 1. 4 platform width 9.5m, one side is the concrete platform wall, and the other side is the perpendicular barricade that the unit had accomplished before the station. The platform wall of Gu' an Dong is divided into two types, the constructed on site is 2, 3 platform wall bodies close to the main line side, the total height of the platform wall structure is 3m, and the platform wall structure is respectively composed of a bottom plate, an armpit, a wall body and a cornice. Detailed description of the drawings fig. 1

The platform wall is one of the most important structures of the whole platform, the finishing quality and the finishing effect of the platform wall play an important role in the effect of the whole platform, so that the whole process is carefully planned before construction:

the platform wall formwork uses the steel mould with the material, uses the steel mould to have following advantage: the turnover frequency is multiple, the concrete finished surface is good in smoothness and glossiness, uniform and attractive in structural size, simple to mount and dismount and beneficial to promoting the standardized implementation of the whole road;

considering that mortar joints can be exposed when the platform hatstones are paved and pasted on the platform in the later period, concrete barrier strips are arranged at the ends of the structural cornices and are poured together with the wall body during pouring, so that the rear side faces of the platform cornices after the later period decoration are unified into a concrete primary color, the attractiveness of the platform wall is greatly improved, the phenomena of alkali resistance and falling off caused by later period side face plastering treatment are avoided, the thickness of the platform hatstones is reserved in advance, and only small joints are subjected to detail treatment after paving and pasting are completed.

The details are shown in figure 2:

when the water drainage holes are reserved, the problem of reserved deviation can occur, all the water drainage holes are constructed in a rear hole opening mode for solving the problem, horizontal lines are popped up at the design height after the concrete strength is stable, and hole opening positions are uniformly drawn according to the intervals.

And (3) measuring and paying-off work plan, wherein the horizontal limit of the platform is 1750mm, the limit is controlled to 1780mm by comprehensive consideration, the through control line is put on the platform wall in the full-length paying-off process by adopting a total station, the through line is controlled by re-laying the wall body on the bottom plate after the bottom plate is poured, and elevation control is strictly executed according to the pile-crossing control point.

The expansion joint is originally designed with a 20mm asphalt wood wool board, the exposed size is too small, the exposed width of the expansion joint position is adjusted to be 60mm in order to improve the overall beautiful effect, and the concrete implementation method is considered in advance in the template processing. Detail nodes are shown in fig. 4 and 5:

as shown in fig. 6 and 7, the whole concrete structure is divided into three sections of construction, the first section is bottom plate construction, the second section is haunch construction, and the third section is upper wall construction, so that the sectional construction can effectively control the installation accuracy of the template, the haunch can be stably installed on the upper portion of the bottom plate, the wall template can be positioned and installed on the 200mm guide wall reserved in the haunch, and the installation accuracy can be more accurate.

The upper wall template fixing and supporting bolt holes use bolt hole positions reserved in advance on the lower guide wall, the steel die of the upper wall falls on the split bolts on the guide wall, and the steel die of the upper wall is supported by using structural bolt holes poured on the guide wall.

Example 3

An elastic filler strip 11 is arranged between the concrete barrier strip 8 and the mortar layer 10, such as a rubber strip, the elastic filler strip 11 is wrapped by a waterproof coiled material 12, and the elastic filler strip 11 is provided with a vertical hole or a cavity along the axial direction thereof

Elastic pad strip 11 prevents concrete shelves strip and mortar layer junction from being influenced by expend with heat and contract with cold, extrude mutually and form the crack, elastic pad strip 11 can play the effect of temperature seam, elastic pad strip 11 uses waterproofing membrane 12 parcel, can prevent that the rainwater from soaking elastic pad strip, make it age and lose elasticity, the hole or the cavity of elastic pad strip 11 self, can make it have bigger deformability, also can practice thrift more materials, do rubber spiral rib 13 in the cavity, rubber spiral rib 13 and elastic pad strip can integrated into one piece, rubber spiral rib 13 level is laid in hole or cavity, make elastic pad strip 11 have stronger recovery deformability, make between elastic pad strip 11 and the concrete shelves strip 8, it is inseparabler between elastic pad strip 11 and the mortar layer 10, make elastic pad strip 11 difficult slippage, longer live time has.

The platform wall cornice breaks through the traditional method, adopts the integrative steel form of regularization to prop up and establishes, when the structure is pour with wall body an organic whole, we set up the concrete at the structure cornice end and return the platform and shelter from the mortar layer and expose, return the platform promptly blend stop, fundamentally has stopped the method that platform wall cornice side was plastered, has stopped the side and has plastered the fracture, has come off, has ensured driving safety, has also promoted the whole effect of platform decoration fitment simultaneously.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite without departing from the utility model discloses the utility model, can also make a plurality of equal substitution or obvious variant, and performance or usage are the same moreover, all should regard as belonging to within the scope of protection of the utility model.

Claims

1. A platform wall comprising a floor (1); an armpit (2) is crossed with the bottom plate (1); an upper wall body (3) arranged on the haunch (2); cornice (5) of upper portion wall (3) upper end horizontal extension, its characterized in that: the upper surface of the end part of the cornice (5) is provided with a barrier strip (8).

2. A platform wall according to claim 1 in which the upper wall (3) is provided with PVC pipes extending transversely therethrough as drainage apertures.

3. A platform wall according to claim 1, wherein a guide wall (4) is provided between the haunch (2) and the upper wall (3).

4. A platform wall according to claim 1, wherein expansion joints are provided along the length of the base plate (1).

5. A platform wall according to claim 1, wherein the cornice (5) and the upper wall (3) are lined with hatstones (9).

6. A platform wall according to claim 5, wherein a mortar layer (10) is provided between the cap stone (9) and the cornice (5), the mortar layer (10) being connected at one end to the stop strip (8), the cap stone (9) at the end of the cornice (5) having an end face which is flush with the end faces of the stop strip (8) and the cornice (5).